ba88ebae03197e16ed170f8a1993e7e9621eccee3720fec9321d9260d84b3e79

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
05/11/2023, 23:48

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General

Target
NEAS.550832d567cc5827ccbe4444505c9e10.pdf
Size 144KB
Sample231105-3tmc6see71
SHA256 ba88ebae03197e16ed170f8a1993e7e9621eccee3720fec9321d9260d84b3e79
MD5 550832d567cc5827ccbe4444505c9e10
SHA1 d2d4d8db555e2f4d655ea242b1fb9e486f4ac4ff
SHA512 6c6cb2d26476dc09f3e7843ccf00400d1c92c57572efb0aa964e823bccc5056d4d6e6f6ae58819baa1dcba667067030f21053da1472f01253a72ae53691eeb54
SSDEEP 3072:B9rUNhKL0jIkUkVb3M3TNwK5DCemoIx6/AD:X4/uKUkR3M35xJde
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 4404	3780	AcroRd32.exe	96
PID 3780 wrote to memory of 4404	3780	AcroRd32.exe	96
PID 3780 wrote to memory of 4404	3780	AcroRd32.exe	96
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4952	4404	RdrCEF.exe	98
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99
PID 4404 wrote to memory of 4344	4404	RdrCEF.exe	99

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\NEAS.550832d567cc5827ccbe4444505c9e10.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4404
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=AD30976E2892EA5D398293CE0F375E03 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D268D9AAA7947AC1BA2F09D5147011CA --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=D268D9AAA7947AC1BA2F09D5147011CA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4344
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=0B480F90D2CC5EA1847EA0326CE3FCD2 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:556
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=773C65250F8445CF9D032FF4482D1893 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=773C65250F8445CF9D032FF4482D1893 --renderer-client-id=5 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3496
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=9C74C0EA979A384B67DE1246BF1717A8 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3016
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=28C5FE50B7EEF48B5A3E3418DD12FB0D --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:640

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 5f1fd7b8f775fab3fee33ecea58d7cdb8865a3e7ebdb7522efb61212122896f9
MD5 b11cfdef27199bf8f126d47cf17c1707
SHA1 eae37833d3d967b4bcb3ec63117b340e9fcc86d4
SHA512 9004b194dbdce9130e94933b22f1da09b55f702dc034365f2bb9699da13f150dbebe1731e93ff4eebf6c0a2f2d7e180d1b9bfe22bb85969a550bd14e685e29d2
SSDEEP 384:yeqdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:R+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/3780-28-0x0000000008870000-0x0000000008891000-memory.dmp

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